Effect of Cotton Genotypes on the Western Bigeyed Bug (Heteroptera: Miridae)

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First, second, and third instar nymphs and adults of Geocoris pallens Stål, were caged on leaves of four cotton genotypes; 'Acala SJ-2' (a commercial cultivar), H6124 and G8160 (nectariless and glandless breeder lines, respectively), and HG469 (a high gossypol, breeder line). They were variously provided with or deprived of access to nectar or prey. Longevity of all stages and development were greatly reduced on all cotton types when the insects were deprived of both prey and nectar. Longevity was extended considerably on all cotton genotypes when G. pallens were provided access to a nectary or artificially provided with nectar. Geocoris pallens provided with an abundance of prey did not appear to need nectar for survival and development on any of the cotton genotypes. In the absence of prey, G. pallens did not develop to the adult stage and adult insects ceased oviposition.

Document Type: Research Article

Publication date: August 1, 1984

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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